What you do with your universe - it's up to you.
You can play on your own : start on the stage and develop cells found in the body in a pool of nondescript intergalactic traveler or just start by creating tribes or civilizations on new planets. Each stage has its own unique style, challenges and goals. Go through five stages of evolution Spore: cell, creature, tribe, civilization and space. From single-celled to master the galaxy : develop your being you have created the universe.